Home / 147,622,155.80-221,433,233.70-70,926,690.20

Finding the Fourth Proportional to 147,622,155.80, 221,433,233.70 and 70,926,690.20

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Solution

The fourth proportional to 147,622,155.80, 221,433,233.70 and 70,926,690.20 is: 106,390,035.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,622,155.80 : 221,433,233.70 = 70,926,690.20 : x
  2. Step 2: Convert to fraction form
    147,622,155.80/221,433,233.70 = 70,926,690.20/x
  3. Step 3: Cross multiply
    147,622,155.80x = 221,433,233.70 × 70,926,690.20
  4. Step 4: Simplify right side
    147,622,155.80x = 15,705,526,366,624,100
  5. Step 5: Solve for x
    x = 15,705,526,366,624,100/147,622,155.80
  6. Step 6: Final answer
    x = 106,390,035.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.